Which of the following gas can displace all the remaining gases? — Surface Chemistry Chemistry Question
Question
Which of the following gas can displace all the remaining gases?
Answer: C
💡 Solution & Explanation
CO has the highest critical temperature and is polar compared to the diatomic gases O₂, N₂, and H₂. Because it has stronger intermolecular forces, it is adsorbed preferentially and can displace the other weakly adsorbable gases. Therefore, correct answer is C.
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